I tried using hydrogen peroxide in my ear last night to ward off the beginnings of a cold. It worked fabulously in my left ear; bubbled and fizzed, then drained out smoothly. Really quite pleasant. So I went on to my right ear. It will not drain out! My sinus issues are much improved, and I slept fine, but this morning my right ear is still clogged and beginning to ache. I tried the hydrogen peroxide again, hoping it would sort out whatever had gone wrong. But no luck. If it had worked the same in both ears I would be quite pleased with the home-cure, but as it's left me with a whole new pain to deal with ... I don't think I'll try it again.